a large quantity of后面可以跟复数可数名词，也可以跟不可数名词，但无论哪种，做主语时，谓语动词通常用单数，而large quantities of +复数可数名词时，谓语动词才用复数。 如果是a quantity of，动词就用第三人称单数， 如果是quantities of...
large
复数。(large) quantities of…这样的形式，则当它用作主语时，其谓语动词一律用复数(与其中名词的数无关)。如：Huge quantities of oil were spilling into the sea.大量的石油渗到海里。
large quantities of例句
Large quantities of drugs were found during a police swoop on the star's New York home.
警方对这位明星在纽约的住所进行突击搜查，发现了大量毒品。
The Customs have seized large quantities of smuggled heroin.
海关查获了大量走私的海洛因。
The state allotted them large quantities of chemical fertilizer.
国家给他们调拨了大量化肥。
Wastewater treatment plants concentrate large quantities of phosphorus and ammonia in their sludge-handling streams.
一般在污水处理厂的污泥中会富集大量的磷和氨。
When condors eat dead bodies of other animals containing lead, they absorb large quantities of lead．
当秃鹰吃掉其他含铅动物的尸体时,它们会吸收大量的铅。
a quantity of和large quantities of
1. 若用于a great (large, small) quantity of…结构，其后主要接不可数名词，但有时也接复数名词；这类结构用作主语时，其谓语的数原则上与其中的名词的数保持一致。如：
A large quantity of food was on the table.大量的食物摆在桌上。
2. 若该结构变成(large) quantities of…这样的形式，则当它用作主语时，其谓语动词一律用复数(与其中名词的数无关)。如：
Large quantities of rice have been destroyed in the flood.大量的庄稼在洪水中被毁坏了。
